11-Letter Words Matching V_________N

There are 12 11-letter words that match V_________N. 7 are common words, such as VACCINATION and VACILLATION. A rarer one is VASOPRESSIN. 4 words contain a doubled letter.

Full list 12

vaccinationvacillationvaledictionvariegationventilationvindicationvivisectionvenesectionverminationvinegarroonvacuolationvasopressin

About this list

Words
12 (7 common words)
Common example
vaccination
Rare example
vasopressin
Doubled letters
4
Ending in S
0

Questions

How many 11-letter words matching v_________n are there?

12. 7 of them are common words.

What is a common example?

VACCINATION is among the common words in this set.